Finding the Fourth Proportional to 78,816.77, 108,738.72 and 60,673.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,816.77 : 108,738.72 = 60,673.04 : x
2. Step 2: Convert to fraction form
   78,816.77/108,738.72 = 60,673.04/x
3. Step 3: Cross multiply
   78,816.77x = 108,738.72 × 60,673.04
4. Step 4: Simplify right side
   78,816.77x = 6,597,508,575.39
5. Step 5: Solve for x
   x = 6,597,508,575.39/78,816.77
6. Step 6: Final answer
   x = 83,706.92